Buenos Aires

$350+ Cheap flights from San Francisco (SFO) to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUE
Mar 5 — Mar 121
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Cheap flight deals from San Francisco to Buenos Aires

Cheapest flights from San Francisco to Buenos Aires
Explore the most affordable flight options available from San Francisco to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This SmartFares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:05 am
SFO
-
EZE
1 stop21h 55m
LATAM Airlines
Mon 2/169:55 pm
EZE
-
SFO
2 stops43h 49m
LATAM Airlines
Deal found 2/3$877
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:35 am
SFO
-
EZE
3 stops22h 35m
Avianca
Sun 3/294:50 pm
EZE
-
SFO
2 stops33h 45m
Avianca
Deal found 2/2$882
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:20 pm
SFO
-
EZE
2 stops20h 35m
Multiple Airlines
Sun 3/294:50 pm
EZE
-
SFO
2 stops24h 00m
Multiple Airlines
Deal found 2/2$885
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/232:20 pm
SFO
-
EZE
3 stops30h 10m
Multiple Airlines
Tue 4/77:10 am
EZE
-
SFO
2 stops20h 45m
Multiple Airlines
Deal found 2/1$886
This KAYAK deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:00 pm
SFO
-
AEP
2 stops21h 00m
LATAM Airlines
Sun 11/1512:40 pm
AEP
-
SFO
2 stops26h 19m
LATAM Airlines
Deal found 2/3$887
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:35 am
SFO
-
EZE
2 stops23h 15m
Avianca
Wed 3/114:55 pm
EZE
-
SFO
2 stops33h 55m
Avianca
Deal found 2/2$888
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:20 pm
SFO
-
AEP
2 stops35h 20m
Avianca
Tue 3/247:00 am
AEP
-
SFO
2 stops19h 50m
Avianca
Deal found 2/3$888
This Avianca deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/22:30 am
SFO
-
EZE
2 stops23h 10m
Avianca
Fri 4/174:50 pm
EZE
-
SFO
2 stops33h 45m
Avianca
Deal found 2/3$889
This Avianca deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/22:30 am
SFO
-
AEP
2 stops23h 10m
Avianca
Tue 4/217:00 am
AEP
-
SFO
2 stops20h 55m
Avianca
Deal found 2/3$889
This SmartFares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:45 pm
SFO
-
EZE
1 stop30h 00m
LATAM Airlines
Mon 8/242:20 am
EZE
-
SFO
2 stops40h 51m
LATAM Airlines
Deal found 2/2$890
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:20 pm
SFO
-
EZE
2 stops35h 30m
Avianca
Tue 3/102:40 am
EZE
-
SFO
2 stops38h 20m
Avianca
Deal found 2/1$897
This Avianca deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:10 pm
SFO
-
EZE
2 stops20h 25m
Avianca
Tue 3/107:30 am
EZE
-
SFO
2 stops19h 20m
Avianca
Deal found 2/2$898

Find flight deals from San Francisco to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$882
(Mytrip)

One-way from

$350
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,235
Provider with most accurate pricing for San Francisco-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Buenos Aires (BUE) flights.
From San Francisco to Buenos Aires (BUE)
One-way flight from San Francisco to Buenos Aires (BUE)
Highest demand for flights based on searches. 4% potential increase in price ($52 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from San Francisco to Buenos Aires that are best for you.

Fly from

San Francisco

Fly to

Buenos Aires

Route

Depart

Return

Price

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 3/23

2:20 pm-12:30 am

3 stops30h 10m

Buenos Aires Ministro Pistarini

Tue 4/7

7:10 am-11:55 pm

2 stops20h 45m

$886

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Wed 3/18

2:20 pm-6:40 pm

3 stops24h 20m

Buenos Aires Jorge Newbery

Mon 3/23

10:10 pm-11:40 pm

3 stops29h 30m

$900

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sat 5/2

11:55 pm-5:40 am

2 stops25h 45m

Buenos Aires Jorge Newbery

Sun 5/10

7:00 am-10:35 pm

2 stops19h 35m

$920

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 3/23

6:00 am-9:00 am

1 stop23h 00m

Buenos Aires Ministro Pistarini

Wed 4/8

8:10 pm-7:19 pm

1 stop27h 09m

$946

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 3/22

12:10 am-5:50 am

2 stops25h 40m

Buenos Aires Ministro Pistarini

Wed 4/8

4:50 pm-12:50 pm

2 stops24h 00m

$950

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Wed 3/25

12:03 pm-10:29 am

1 stop18h 26m

Buenos Aires Ministro Pistarini

Sat 4/4

11:30 pm-9:16 pm

1 stop25h 46m

$963

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sat 5/2

7:15 am-8:00 am

1 stop20h 45m

Buenos Aires Ministro Pistarini

Sun 5/10

9:00 pm-7:15 am

1 stop38h 15m

$975

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Thu 4/30

12:35 pm-8:00 am

1 stop15h 25m

Buenos Aires Ministro Pistarini

Sun 5/10

9:00 pm-7:15 am

1 stop38h 15m

$975

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sun 3/22

12:10 am-5:40 am

2 stops25h 30m

Buenos Aires Jorge Newbery

Tue 4/7

7:00 am-11:55 pm

2 stops20h 55m

$979

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Thu 4/30

2:15 pm-5:40 am

2 stops35h 25m

Buenos Aires Jorge Newbery

Sun 5/10

7:00 am-10:35 pm

2 stops43h 35m

$983

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 41 results
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Compare providers for flights from San Francisco to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Buenos Aires in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Buenos Aires

How far ahead should I book a flight from San Francisco to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Buenos Aires. Price data was last updated on January 30, 2026.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $606). Flying from San Francisco to Buenos Aires in September is currently the most expensive (average of $1,022). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from San Francisco to Buenos Aires?

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated February 3, 2026.
Get a feel of what it's like to fly with Delta, Copa Airlines, and LATAM Airlines from San Francisco to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Buenos Aires?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Buenos Aires from San Francisco. Booking flights from San Francisco (SFO) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 7 different airlines.

  • How long is the flight from San Francisco to Buenos Aires?

    Avianca can get you from San Francisco to Buenos Aires in just under 22h 35m. Your travel time can differ by up to . There are 6459 mi between San Francisco and Buenos Aires.

  • What are the cheapest airlines flying from San Francisco to Buenos Aires round-trip?

    Flying on Avianca is currently your cheapest option to Buenos Aires, with prices starting at $654. Additional round-trip tickets that might be worth considering are offered by Delta and LATAM Airlines, with the lowest prices starting at $875 and $886, respectively. Avianca is 45% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to Buenos Aires one-way?

    The cheapest airlines for a one-way flight from San Francisco to Buenos Aires are Avianca ($308), Copa Airlines ($389), and American Airlines ($498).

  • What are the most popular routes from San Francisco to Buenos Aires?

  • Where are the most common layover locations when flying from San Francisco to Buenos Aires?

  • What are some popular things to do or see while on a layover in Houston?

    Houston travelers tend to visit Space Center Houston, House of Blues Houston, and Revention Music Center more than anywhere else. Space Center Houston, House of Blues Houston, and Revention Music Center are located about 33.5 mi, 16.1 mi, and 15.5 mi, respectively from Houston George Bush Intcntl. Travelers can book a car rental at Houston George Bush Intcntl for about $31 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for San Francisco to Buenos Aires flights?

  • Can I find deals for flights from San Francisco to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on San Francisco to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Buenos Aires.

  • Can I find deals for business class flights from San Francisco to Buenos Aires?

    Yes. Cheapflights offers flight deals from San Francisco to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $606). Flying from San Francisco to Buenos Aires in September is currently the most expensive (average of $1,022). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from San Francisco to Buenos Aires

Discover the top 7 airlines that operate flights from San Francisco to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$654Average$891FlexibilityNo cancel feeOn-time71%
DeltaCheapest$875Average$1,275FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$886Average$1,013FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$969Average$1,258FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$973Average$1,160FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$1,039Average$1,301FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$1,119Average$1,318FlexibilityNo cancel feeOn-timeN/A

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